Sidedoor

Smithsonian Institution
undefined
Dec 10, 2025 • 39min

A Mold with a Grudge

It started with a messy lab and a mysterious mold. But turning “mold juice” into the world’s first antibiotic would take a sick policeman, a market cantaloupe, and an extraordinary wartime collaboration between scientists, governments, and industry. This is the story of how penicillin changed the world.Guests:Kevin Brown, Trust Archivist to Imperial College Healthcare NHS Trust and curator of the Alexander Fleming Laboratory Museum at St. Mary’s Hospital; author of Penicillin Man: Alexander Fleming and the Antibiotic RevolutionDiane Wendt, curator in the Division of Medicine and Science at the Smithsonian's National Museum of American History
undefined
Nov 26, 2025 • 30min

The Secret of Lincoln's Watch

A mystery hidden in time. Wrapped in gold. Stowed secretly in Lincoln's pocket. We dig into the family story of a secret message etched inside Abraham Lincoln's pocket watch. Is this a tall tale or a hidden piece of history waiting to be discovered? Join us as we dive into this incredible tale of family lore, historical detective work, and the Smithsonian's decision to open a priceless artifact.  Guests: Lisa Kathleen Graddy, curator of American political history at the Smithsonian's National Museum of American HistoryHarry Rubenstein, curator emeritus in the Division of Political History at the Smithsonian's National Museum of American HistoryDoug Stiles, great-great-grandson of watchmaker Jonathan DillonChapters:00:00 | Lincoln’s Pocket Watch | Young Abraham Lincoln buys a watch to mark his transformation into a successful lawyer and rising politician.~02:00 | A Story Passed Down | Doug Stiles hears a family legend: his Irish ancestor, a watchmaker, etched a secret message inside Lincoln’s watch during the Civil War. ~05:00 | The Search Begins | Doug investigates—old photos, museum archives, and a 1906 New York Times story suggest the legend might be real.~09:00 | Calling the Smithsonian | Curators are skeptical… until a newspaper clipping convinces them to open the watch. The media gathers for a public reveal.~12:00 | The Opening | A master watchmaker struggles, then finally opens Lincoln’s watch. A hidden inscription is discovered inside.~15:00 | “Thank God We Have a Government” | The real engraving is revealed, along with unexpected names—including “Jeff Davis.” Lincoln never knew he carried this secret message.~18:00 | The Legacy in the Watch | Curators and Doug reflect on how a hidden statement of hope traveled with Lincoln through war, Gettysburg, and to his final days.
undefined
Nov 19, 2025 • 2min

It's Season 12!

Sidedoor returns for its twelfth season on Wednesday, November 26th!
undefined
Oct 10, 2025 • 15sec

A Message Regarding the Shutdown

Please be advised that new episodes will not be released during the government shutdown. For up-to-date information on the status of the Smithsonian, please visit our website at si.edu. 
undefined
Oct 1, 2025 • 23min

Monkey Mystery: The Case of the Capuchin Kidnappers

Why are capuchin monkeys kidnapping howler monkey babies in Panama? We investigate this bizarre case of primate abduction with researchers working with the Smithsonian to get to the bottom of this bizarre behavior. We'll talk about their discoveries, the social dynamics between capuchins and howler monkeys, and the bizarre island conditions that might be driving this behavior. Is it boredom? Is it social learning? Or is something else entirely at play? Travel with us to the Smithsonian Tropical Research Institute (STRI) in Panama to uncover this monkey mystery!Guests: Zoë Goldsborough, visiting researcher at the Smithsonian Tropical Research Institute in Panama and a behavioral ecologist at the Max Planck Institute of Animal Behavior Brendan Barrett, visiting researcher at the Smithsonian Tropical Research Institute in Panama and an evolutionary behavioral ecologist and evolutionary anthropologist at the Max Planck Institute of Animal Behavior 
undefined
Sep 17, 2025 • 24min

The Music of Jeopardy! From a Lullaby to $100,000,000

It’s the most recognizable TV theme in America. But Jeopardy’s “Think Music” wasn’t originally written for a game show… It was written for a toddler. In this episode, we trace the unlikely journey of the Jeopardy theme, from Merv Griffin’s living room to over 10,000 episodes across six decades. Along the way, we explore the show’s sonic evolution, including honking buzzers, 80s synths, and orchestral remixes. Featuring Lisa Broffman, Jeopardy’s Consulting Co-Executive Producer.This episode was written & produced by Casey Emmerling.Visit the Smithsonian's National Museum of American History to see some of the Jeopardy objects we have in the collection. MUSIC FEATURED IN THIS EPISODEHarry Endivo - Don’t Bore Me Alberto!Medité - This Round's On MeFlickering - The SquadAndreas Dahlbäck - 808 or 909Trevor Kowalski - Watercolor Motion IGavin Luke - The Power of One Art by Michael Zhang.This episode of Twenty Thousand Hertz is part of our summer playlist to keep you entertained while Sidedoor is on summer break. We’ll be back in the fall with brand new episodes of Sidedoor.
undefined
Sep 3, 2025 • 34min

Extreme Botany

Ana María Bedoya's work takes her to some unlikely places: steep cliffs, river rapids, and tumbling waterfalls— all in search of vulnerable aquatic plants. Through lively stories and conversations with scientists, gardeners, artists, and experts, join the New York Botanical Garden (NYBG) for deep dives into everything from food systems and horticulture to botanical breakthroughs in the lab and the field, and the many ways our daily lives are sustained by plants.This episode of Plant People is part of our summer playlist to keep you entertained while Sidedoor is on summer break. We’ll be back in the fall with brand new episodes of Sidedoor.
undefined
11 snips
Aug 20, 2025 • 32min

Back to School: Origins of the Pledge

Discover the intriguing origins of the Pledge of Allegiance, first recited in 1892, as it evolved from a marketing tool into a symbol of national unity. Uncover the impact of the Civil War and anti-immigrant sentiments that shaped its relevance during the late 1800s. Explore how patriotic education in classrooms crafted national identity and how societal pressures morphed the pledge through pivotal historical moments like the Cold War. Dive into the complexities of patriotism, enriched by artifacts and thoughtful book recommendations.
undefined
Aug 6, 2025 • 17min

Bear Trouble

When a black bear in Minnesota woke up from hibernation in the middle of winter and attacked three people and a dog, researchers were left with one question: Why?***This episode of the Points North podcast is part of our summer playlist to keep you entertained while Sidedoor is on summer break. We’ll be back in the fall with brand new episodes of Sidedoor. Credits: Producer: Ellie Katz Editor: Morgan Springer Additional Editing: Michael Livingston, Dan Wanschura Additional Production: Matthew Mikkelsen of Hayloft Audio Music: Blue Dot Sessions
undefined
Jul 23, 2025 • 30min

Shellshocked II: Turtle Thieves

Dive into the shocking world of turtle trafficking, where backyard collectors and smugglers put these ancient creatures at risk. Learn about the unbelievable stories of turtles hidden in pants and the struggles of those trying to rescue them post-seizure. Discover the vital role of herpetologists in combating wildlife crime and how community involvement can help protect these vulnerable species. With gripping tales of undercover operations, the urgent fight to save turtles from extinction unfolds, highlighting their ecological importance.

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app